Monoprice BlackbirdTM 4K Series HDMI Audio Inserter Compliant with HDMI, HDCP 1.2, and DVI 1.0 standards; Supports HDMI audio sampling rates up to 192 kHz; Supports Digital Optical S/PDIF audio sampling rates up to 192 kHz Supports external Digital Optical or Analog audio replacement for HDMI audio signal; HDMI supports High-Bit-Rate (HBR) audio; Supports DVI conversion with DVI to HDMI adapter Supports CEC pass-through; Supports 4K resolution and 3D video signals